SendBox - Messaging Platform for CRM & Retention Teams SMS / WhatsApp / Telegram

Hi everyone!
We’ve been testing a platform that helps run automated messaging campaigns across SMS, WhatsApp, and Telegram in 200+ GEOs.

The service is called SendBox, it’s built for CRM and retention teams to re-engage users, boost activity, and manage promo flows easily via API or automated triggers.

It’s not a traffic source, more of a communication layer between brands and their users.

Curious to hear what tools others are using for mass messaging or retention campaigns. Always interesting to compare delivery rates and overall performance.

If anyone wants to try it out or see how it works, feel free to DM me